[Ni, Xiao-Hong; Ke, Hong-Yan; Liao, Yuan-Gao; Jin, Guo; Tian, Yu; Yu, Mei] Huanggang Cent Hosp, Sleep Med Ctr, Huanggang, Peoples R China.
[Ni, Xiao-Hong; Ke, Hong-Yan; Liao, Yuan-Gao; Jin, Guo; Tian, Yu; Yu, Mei] Huanggang Cent Hosp, Dept Neurol, Huanggang, Peoples R China.
[Huang, Feng-Zhen] Univ South China, Inst Transit Med, Chenzhou, Peoples R China.
[Huang, Feng-Zhen] First Peoples Hosp Chenzhou, Dept Neurol, Chenzhou, Peoples R China.
[Chen, Gui-Hai] Anhd Med Univ, Dept Neurol Sleep Disorders, Affliated Chaohu Hosp, Hefei 238000, Chaohu, Peoples R China.